Opal by Freya Barker

GEM: A PRIVATELY-FUNDED ORGANIZATION OPERATING INDEPENDENTLY IN THE SEARCH FOR—AND THE RESCUE AND RECOVERY OF—MISSING AND EXPLOITED CHILDREN. ALTHOUGH, AT TIMES WORKING IN CONJUNCTION WITH LAW ENFORCEMENT, GEM AIMS TO ENSURE THE VICTIMS RECEIVE JUSTICE…BY WHATEVER MEANS NECESSARY.
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GEM Operator Opal; multifaceted, versatile, a chameleon.

She hides in plain sight, adapts, and infiltrates.
When Opal goes undercover in a youth center several teenagers have disappeared from, she’s shocked to find a ghost of her own traumatic past at the helm. However, her worry for the missing kids is greater than her concern being recognized and she risks her own safety to discover the truth.
To complicate matters, a familiar FBI agent shows up conducting his own investigation and almost blows the whistle on her. It takes some doing to convince him to join forces with her but as it turns out, they work well together.

In the course of uncovering an organized group of child molesters, they find themselves falling—for each other.